show.rb

def show
    load_deals unless mobile_device? || request.format == :js

    @deal_weekday = DealWeekday.by_weekday(Weekday.from_slug(params[:weekday])).by_slug(params[:slug]).active.first

    if !@deal_weekday || !@deal_weekday.active
      flash[:error] = '<strong>Desculpe!</strong> Não encontramos a pedida que você solicitou.'
      redirect_to home_path(@city.slug)
      return false
    end

    @deal = @deal_weekday.deal

    @taken_count = @deal_weekday.vouchers_taken_count
    #@available_count = @deal_weekday.vouchers_limit_count - @deal_weekday.vouchers_taken_count
    @available_count = @deal_weekday.available_cache - @deal_weekday.vouchers_taken_count

    render 'deals/show'
  end